{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003663},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002843","490:4900003791","490:4900003524","490:4900001781","490:4900003394","490:4900003525","490:4900001121","490:4900002547","490:4900001242","490:4900001244","490:4900003790","490:4900003799","490:4900001782","490:4900002839","490:4900001243","490:4900002546","490:4900003800","490:4900004212","490:4900002246","490:4900004079","490:4900002247","490:4900003384","490:4900001495","490:4900002693","490:4900003939"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.2478166918325491,0.1993621273770352,0.1977963701548817,0.08408639895662795,0.07794134820833469,0.07645923048329724,0.06757955732546496,0.06077074853850451,0.05890576271058012,0.05356263728460747,0.052475595791923395,0.04951859980550912,0.04645678297781464,0.04296825872973131,0.042171724128631086,0.040408112242959295,0.03996132644460315,0.03423497389711561,0.031017424295585783,0.028840967148394844,0.028605962511158326,0.02609046973312364,0.025757797349173533,0.022029871642642484,0.021877972443401887],"twin_dists":[0.21693829056791658,0.23324187865689616,0.23381139223162126,0.28900563479741426,0.2934013097990934,0.2945029713135906,0.3014906777946116,0.3073746224409207,0.3090803438595577,0.31422667316480246,0.31532536248851856,0.31841277628297987,0.32177608182946194,0.325842308250509,0.32680949402661624,0.3290069511999601,0.32957647225841724,0.3373991970241231,0.34229781362772554,0.34586424225061574,0.3462630226082561,0.3507181200002943,0.3513347523823177,0.3587619486756194,0.3590871030912531],"n_dims_used":45,"mean_confidence":0.9212059868706597},"coverage":{"mean_confidence":0.9212059868706597,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}